Zello

Send voice messages from your PC for free

Tango

VoIP client for voice and video calls

Pin It On Pinterest

Allows readers to share your WordPress posts on Pinterest

Spaz

Simple Twitter client

Foursquare

A social network to share places and locations

Extended Share for Google Plus

Share Google Plus publications on other services

Viber

Windows client of the chat and video call app

2Peer

Share your files in your own private net through Internet

Skype Portable

The portable version of the popular VoIP client

Zoom

Workplace Video Calling App

Aether

A totally free opinion network

SoliCall

Reduce the background noise in voice conversation over the net

Social Monitor

Check how your children use Facebook

Fishbowl

Use Facebook from your desktop without opening your browser

Clownfish Voice Changer

Change your voice in real time

Skype

Text messages, calls and video calls to and from phones and PCs

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

Statgraphics

Carry out statistical analyses on your data

MathType

Complete mathematical equation and formula editor

Mathematica

Platform for computational development

GeoEnZo

Digital board to teach and learn maths

Octave

Applied calculus software very similar to MATLAB

Maple

Solve complex mathematical operations

WinPlot

Generate 2D and 3D graphics

Microsoft Mathematics

Solve mathematical operations with this free tool

Derive

Powerful tool for symbolic mathematic calculations

Mathcad

Software for engineering calculations

Minitab

One of the best statistical calculation programs

GeoGebra

Software to learn maths at all levels

PASW

One of the most powerful statistic solutions on the market

MATLAB

Maths software tool for PC